Podcast
Questions and Answers
Which type of radiation detector exhibits a linear response across a range of radiation quantities?
Which type of radiation detector exhibits a linear response across a range of radiation quantities?
- Ionization chamber detectors (correct)
- Solid-state detectors
- Scintillon detectors
- Gas filled detectors
Which type of radiation detector uses phosphor materials and exhibits absorption, excitation, and emission processes?
Which type of radiation detector uses phosphor materials and exhibits absorption, excitation, and emission processes?
- Scintillon detectors (correct)
- Ionization chamber detectors
- Gas filled detectors
- Solid-state detectors
Which type of light emission occurs immediately within 10^-8 second of stimulation?
Which type of light emission occurs immediately within 10^-8 second of stimulation?
- Luminescence
- Phosphorescence
- Scintillation
- Fluorescence (correct)
What is the most common crystal used in fluorescence detectors?
What is the most common crystal used in fluorescence detectors?
Which type of detector is known for its exceptional energy resolution and is suitable for applications like gamma-ray spectroscopy?
Which type of detector is known for its exceptional energy resolution and is suitable for applications like gamma-ray spectroscopy?
What is the main purpose of a dosimeter?
What is the main purpose of a dosimeter?
What is the function of signal amplification in a detector system?
What is the function of signal amplification in a detector system?
In which mode of operation does a scintillation detector operate?
In which mode of operation does a scintillation detector operate?
Which of the following best describes location distortion in medical imaging?
Which of the following best describes location distortion in medical imaging?
What happens to the projection of an object as the OID increases?
What happens to the projection of an object as the OID increases?
How can location distortion impact the accuracy of a diagnostic image?
How can location distortion impact the accuracy of a diagnostic image?
Which type of detector is often used in Automatic Exposure Control (AEC) systems?
Which type of detector is often used in Automatic Exposure Control (AEC) systems?
Which factor determines the geometric efficiency of a detector?
Which factor determines the geometric efficiency of a detector?
Which of the following is a characteristic of the Quantum Detection Efficiency (QDE) of a detector?
Which of the following is a characteristic of the Quantum Detection Efficiency (QDE) of a detector?
What is the absorption coefficient?
What is the absorption coefficient?
Which type of detector converts X-rays into visible light before converting it into an electrical signal?
Which type of detector converts X-rays into visible light before converting it into an electrical signal?
What is the main function of a PMT?
What is the main function of a PMT?
Which type of detector operates in a vacuum environment?
Which type of detector operates in a vacuum environment?
What is the function of a P-N junction in a semiconductor detector?
What is the function of a P-N junction in a semiconductor detector?
Which of the following best describes the process that occurs when light or X-rays hit the detector in a P-N junction?
Which of the following best describes the process that occurs when light or X-rays hit the detector in a P-N junction?
What happens to the pairs of electrons and holes created when light or X-rays hit the detector?
What happens to the pairs of electrons and holes created when light or X-rays hit the detector?
What is the relationship between the flow of current in the detector and the energy deposited by the photons?
What is the relationship between the flow of current in the detector and the energy deposited by the photons?
Which factor directly controls the quantity of X-rays produced in X-ray emission?
Which factor directly controls the quantity of X-rays produced in X-ray emission?
What is the impact of increasing the kilovoltage peak (kVp) on exposure?
What is the impact of increasing the kilovoltage peak (kVp) on exposure?
Which type of detector is used in digital radiography systems to directly capture X-rays and convert them into digital images?
Which type of detector is used in digital radiography systems to directly capture X-rays and convert them into digital images?
What is the main purpose of using geometric techniques in X-ray imaging?
What is the main purpose of using geometric techniques in X-ray imaging?
Which factor directly controls the quantity of X-rays produced?
Which factor directly controls the quantity of X-rays produced?
Which factor influences subject contrast and the percentage of X-rays transmitted?
Which factor influences subject contrast and the percentage of X-rays transmitted?
How does changing the focal spot size primarily affect the X-ray beam?
How does changing the focal spot size primarily affect the X-ray beam?
What is the relationship between exposure and kilovoltage peak (kVp)?
What is the relationship between exposure and kilovoltage peak (kVp)?
